youngish Antonyms

not as young as one was of a certain age not long for this world over the hill grey-haired gray-haired full-fledged long in the tooth doddery doddering geriatric older old as time older than dirt older than the hills not as young as one used to be in one's dotage long in the teeth grey-bearded advanced in years up in years extremely old as old as time as old as the sea as old as Adam past it venerable septuagenarian grizzled grey full-grown full-blown elderly decrepit centenarian anile ancient aging aged hoary long-lived mature senior senile senescent ripened ripe oldish old octogenarian